<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>扑克牌</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <div class="container">
        <div class="card" style="--i: -4;">1</div>
        <div class="card" style="--i: -3;">2</div>
        <div class="card" style="--i: -2;">3</div>
        <div class="card" style="--i: -1;">4</div>
        <div class="card" style="--i: -0;">5</div>
        <div class="card" style="--i: 1;">6</div>
        <div class="card" style="--i: 2;">7</div>
        <div class="card" style="--i: 3;">8</div>
        <div class="card" style="--i: 4;">9</div>
    </div>
</body>
</html>